style>.login-box{background:#ffffff;padding:25px;border:1px solid #e1e1e1;border-radius:12px;box-shadow:0 4px 15px rgba(0, 0, 0, 0.1);max-width:320px;margin:40px auto;font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;}.login-box h3{margin-bottom:20px;color:#333;font-weight:600;}.login-box input[type="text"], .login-box input[type="password"]{width:100%;padding:12px;margin:8px 0 20px 0;border:1px solid #ddd;border-radius:6px;box-sizing:border-box;}.login-box input[type="submit"]{width:100%;background-color:#007bff;color:white;padding:12px;border:none;border-radius:6px;font-size:16px;cursor:pointer;transition:background 0.3s ease;}.login-box input[type="submit"]:hover{background-color:#0056b3;}</style>}